If you work hard ____,you won't have to sit up all night bef

If you work hard ____,you won't have to sit up all night bef If you have worked hard(),you won't have to sit up all night If you work hard __________ you won't have to sit up all nig 1.Don't sit up and work too hard at night or you'll be run__ If you don't work hard,you won't catch up with your classmat If you don't work hard ,you won't catch up with your classma If you don't work hard today,you will have a hard time to fi You will have to work hard if you want to ____(success) one If you all leave.I"ll have ____ friends here, so I won't sta If you don‘t work hard,you won’t pass the test （改为同义句） You won't succeed if you don't work hard.（同义句转换) if you don't work hard,you won't pass the exam